DI Certifying exam – Ultrasound case – Anorexia and abdominal pain

Signalment: 9 year old, castrated male, Toy Poodle

History: Anorexia, abdominal pain.

List the most important imaging findings.

List, in order of priority, the most likely differential diagnosis(es) and how these relate to the clinical signs.

Key Findings:
• Focal hypoechoic mass of spleen; bulges from capsule, multifocal hyperechoic foci that shadow
• Surrounding fat is hyperechoic
• Mild anechoic abdominal fluid
• hypoechoic nodules in the adjacent fat

Key Synthesis:
• Abscess, necrotic neoplasia
• Focal peritonitis with blood clots or fibrin